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101202121211101 = 643157390546207
BaseRepresentation
bin10111000000101011110100…
…011111000011110011011101
3111021022211100211110022212021
4113000223310133003303131
5101231043421012223401
6555123340200140141
730213416622634231
oct2700536437036335
9437284324408767
10101202121211101
112a2786400a9599
12b425795767651
13446141c037241
141adc2ccd485c1
15ba77758122a1
hex5c0af47c3cdd

101202121211101 has 4 divisors (see below), whose sum is σ = 101359511757952. Its totient is φ = 101044730664252.

The previous prime is 101202121211099. The next prime is 101202121211117. The reversal of 101202121211101 is 101112121202101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101202121211101 - 21 = 101202121211099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202121211171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78695272461 + ... + 78695273746.

It is an arithmetic number, because the mean of its divisors is an integer number (25339877939488).

Almost surely, 2101202121211101 is an apocalyptic number.

It is an amenable number.

101202121211101 is a deficient number, since it is larger than the sum of its proper divisors (157390546851).

101202121211101 is an equidigital number, since it uses as much as digits as its factorization.

101202121211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157390546850.

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

Adding to 101202121211101 its reverse (101112121202101), we get a palindrome (202314242413202).

The spelling of 101202121211101 in words is "one hundred one trillion, two hundred two billion, one hundred twenty-one million, two hundred eleven thousand, one hundred one".

Divisors: 1 643 157390546207 101202121211101