101210111210121 has 8 divisors (see below), whose sum is σ = 135700707768480. Its totient is φ = 67096461062592.

The previous prime is 101210111210017. The next prime is 101210111210123. The reversal of 101210111210121 is 121012111012101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-101210111210121 is a prime.

It is a super-2 number, since 2×101210111210121² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101210111210121.

It is not an unprimeable number, because it can be changed into a prime (101210111210123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94236602080 + ... + 94236603153.

It is an arithmetic number, because the mean of its divisors is an integer number (16962588471060).

Almost surely, 2^{101210111210121} is an apocalyptic number.

It is an amenable number.

101210111210121 is a deficient number, since it is larger than the sum of its proper divisors (34490596558359).

101210111210121 is a wasteful number, since it uses less digits than its factorization.

101210111210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188473205415.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101210111210121 its reverse (121012111012101), we get a palindrome (222222222222222).

The spelling of 101210111210121 in words is "one hundred one trillion, two hundred ten billion, one hundred eleven million, two hundred ten thousand, one hundred twenty-one".