101201111202121 has 32 divisors (see below), whose sum is σ = 116999826997248. Its totient is φ = 85740671966400.

The previous prime is 101201111202109. The next prime is 101201111202193. The reversal of 101201111202121 is 121202111102101.

It is a cyclic number.

It is not a de Polignac number, because 101201111202121 - 2⁵ = 101201111202089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201111202095 and 101201111202104.

It is not an unprimeable number, because it can be changed into a prime (101201111232121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6469410526 + ... + 6469426168.

It is an arithmetic number, because the mean of its divisors is an integer number (3656244593664).

Almost surely, 2^{101201111202121} is an apocalyptic number.

It is an amenable number.

101201111202121 is a deficient number, since it is larger than the sum of its proper divisors (15798715795127).

101201111202121 is a wasteful number, since it uses less digits than its factorization.

101201111202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30541.

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

Adding to 101201111202121 its reverse (121202111102101), we get a palindrome (222403222304222).

The spelling of 101201111202121 in words is "one hundred one trillion, two hundred one billion, one hundred eleven million, two hundred two thousand, one hundred twenty-one".