102011021120121 has 8 divisors (see below), whose sum is σ = 136024135760064. Its totient is φ = 68002626946800.

The previous prime is 102011021120083. The next prime is 102011021120147. The reversal of 102011021120121 is 121021120110201.

It is a happy number.

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

It is not a de Polignac number, because 102011021120121 - 2¹³ = 102011021111929 is a prime.

It is a super-2 number, since 2×102011021120121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102011021120121.

It is not an unprimeable number, because it can be changed into a prime (102011021120161) 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, 1180066230 + ... + 1180152671.

It is an arithmetic number, because the mean of its divisors is an integer number (17003016970008).

Almost surely, 2^{102011021120121} is an apocalyptic number.

It is an amenable number.

102011021120121 is a deficient number, since it is larger than the sum of its proper divisors (34013114639943).

102011021120121 is a wasteful number, since it uses less digits than its factorization.

102011021120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360233311.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102011021120121 its reverse (121021120110201), we get a palindrome (223032141230322).

The spelling of 102011021120121 in words is "one hundred two trillion, eleven billion, twenty-one million, one hundred twenty thousand, one hundred twenty-one".