121202011002 has 16 divisors (see below), whose sum is σ = 242454402432. Its totient is φ = 40392273600.

The previous prime is 121202011001. The next prime is 121202011027. The reversal of 121202011002 is 200110202121.

It is not an unprimeable number, because it can be changed into a prime (121202011001) 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, 2067874 + ... + 2125677.

It is an arithmetic number, because the mean of its divisors is an integer number (15153400152).

Almost surely, 2^121202011002 is an apocalyptic number.

121202011002 is an abundant number, since it is smaller than the sum of its proper divisors (121252391430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121202011002 is a wasteful number, since it uses less digits than its factorization.

121202011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198373.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121202011002 its reverse (200110202121), we get a palindrome (321312213123).

The spelling of 121202011002 in words is "one hundred twenty-one billion, two hundred two million, eleven thousand, two".