101211110102121 has 8 divisors (see below), whose sum is σ = 134951930078784. Its totient is φ = 67472181763440.

The previous prime is 101211110102087. The next prime is 101211110102171. The reversal of 101211110102121 is 121201011112101.

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

It is not a de Polignac number, because 101211110102121 - 2⁹ = 101211110101609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101211110102121.

It is not an unprimeable number, because it can be changed into a prime (101211110102171) 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, 472784646 + ... + 472998671.

It is an arithmetic number, because the mean of its divisors is an integer number (16868991259848).

Almost surely, 2^{101211110102121} is an apocalyptic number.

It is an amenable number.

101211110102121 is a deficient number, since it is larger than the sum of its proper divisors (33740819976663).

101211110102121 is an equidigital number, since it uses as much as digits as its factorization.

101211110102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945818991.

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

Adding to 101211110102121 its reverse (121201011112101), we get a palindrome (222412121214222).

The spelling of 101211110102121 in words is "one hundred one trillion, two hundred eleven billion, one hundred ten million, one hundred two thousand, one hundred twenty-one".