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102101120110220 = 225721116364789809
BaseRepresentation
bin10111001101110001000100…
…111111101100111010001100
3111101111202211121111012212012
4113031301010333230322030
5101340311043222011340
61001052335042400352
730335363636330300
oct2715610477547214
9441452747435765
10102101120110220
112a594929593490
12b54ba6a6600b8
1344c812c28c05a
141b2da133b7d00
15bc0d3eee1565
hex5cdc44fece8c

102101120110220 has 288 divisors, whose sum is σ = 274188314856960. Its totient is φ = 31579251701760.

The previous prime is 102101120110219. The next prime is 102101120110303. The reversal of 102101120110220 is 22011021101201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 102101120110195 and 102101120110204.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1136824676 + ... + 1136914484.

It is an arithmetic number, because the mean of its divisors is an integer number (952042759920).

Almost surely, 2102101120110220 is an apocalyptic number.

102101120110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102101120110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137094157428480).

102101120110220 is an abundant number, since it is smaller than the sum of its proper divisors (172087194746740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102101120110220 is a wasteful number, since it uses less digits than its factorization.

102101120110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90653 (or 90644 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102101120110220 its reverse (22011021101201), we get a palindrome (124112141211421).

The spelling of 102101120110220 in words is "one hundred two trillion, one hundred one billion, one hundred twenty million, one hundred ten thousand, two hundred twenty".