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101201210211020 = 22543513111628821
BaseRepresentation
bin10111000000101010111110…
…001011110111101011001100
3111021022202000100020201200112
4113000222332023313223030
5101231040034303223040
6555123105534215152
730213355221362303
oct2700527613675314
9437282010221615
10101201210211020
112a278212943767
12b4255806544b8
13446130538ba3a
141adc243d6743a
15ba7720861365
hex5c0abe2f7acc

101201210211020 has 24 divisors (see below), whose sum is σ = 212523048129168. Its totient is φ = 40480387572800.

The previous prime is 101201210210981. The next prime is 101201210211037. The reversal of 101201210211020 is 20112012102101.

It is a junction number, because it is equal to n+sod(n) for n = 101201210210986 and 101201210211004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888210 + ... + 14517030.

It is an arithmetic number, because the mean of its divisors is an integer number (8855127005382).

Almost surely, 2101201210211020 is an apocalyptic number.

101201210211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201210211020 is an abundant number, since it is smaller than the sum of its proper divisors (111321837918148).

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

101201210211020 is a wasteful number, since it uses less digits than its factorization.

101201210211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063961 (or 12063959 counting only the distinct ones).

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

Adding to 101201210211020 its reverse (20112012102101), we get a palindrome (121313222313121).

The spelling of 101201210211020 in words is "one hundred one trillion, two hundred one billion, two hundred ten million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 435131 870262 1740524 2175655 4351310 8702620 11628821 23257642 46515284 58144105 116288210 232576420 5060060510551 10120121021102 20240242042204 25300302552755 50600605105510 101201210211020