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101111210019 = 3212498994859
BaseRepresentation
bin101111000101010110…
…0101010000000100011
3100122222121120122211100
41132022230222000203
53124033432210034
6114241100045443
710206426050601
oct1361254520043
9318877518740
10101111210019
1139976707696
1217719b33883
1396c4ab6971
144c7287a871
15296ba87099
hex178ab2a023

101111210019 has 12 divisors (see below), whose sum is σ = 146166475000. Its totient is φ = 67353496704.

The previous prime is 101111209957. The next prime is 101111210051. The reversal of 101111210019 is 910012111101.

It is not a de Polignac number, because 101111210019 - 217 = 101111078947 is a prime.

It is a super-2 number, since 2×1011112100192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101111209983 and 101111210010.

It is not an unprimeable number, because it can be changed into a prime (101111210069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4486189 + ... + 4508670.

Almost surely, 2101111210019 is an apocalyptic number.

101111210019 is a deficient number, since it is larger than the sum of its proper divisors (45055264981).

101111210019 is a wasteful number, since it uses less digits than its factorization.

101111210019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996114 (or 8996111 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

The spelling of 101111210019 in words is "one hundred one billion, one hundred eleven million, two hundred ten thousand, nineteen".

Divisors: 1 3 9 1249 3747 11241 8994859 26984577 80953731 11234578891 33703736673 101111210019