121020100112002 has 64 divisors (see below), whose sum is σ = 224499220614144. Its totient is φ = 47645366610240.

The previous prime is 121020100111903. The next prime is 121020100112047. The reversal of 121020100112002 is 200211001020121.

It is a super-3 number, since 3×121020100112002³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99000573 + ... + 100215535.

It is an arithmetic number, because the mean of its divisors is an integer number (3507800322096).

Almost surely, 2^{121020100112002} is an apocalyptic number.

121020100112002 is a deficient number, since it is larger than the sum of its proper divisors (103479120502142).

121020100112002 is a wasteful number, since it uses less digits than its factorization.

121020100112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217623.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121020100112002 its reverse (200211001020121), we get a palindrome (321231101132123).

The spelling of 121020100112002 in words is "one hundred twenty-one trillion, twenty billion, one hundred million, one hundred twelve thousand, two".