121220022002 has 16 divisors (see below), whose sum is σ = 191410084800. Its totient is φ = 57416995440.

The previous prime is 121220021999. The next prime is 121220022067. The reversal of 121220022002 is 200220022121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759824 + ... + 905412.

It is an arithmetic number, because the mean of its divisors is an integer number (11963130300).

Almost surely, 2^121220022002 is an apocalyptic number.

121220022002 is a deficient number, since it is larger than the sum of its proper divisors (70190062798).

121220022002 is a wasteful number, since it uses less digits than its factorization.

121220022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167521.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121220022002 its reverse (200220022121), we get a palindrome (321440044123).

The spelling of 121220022002 in words is "one hundred twenty-one billion, two hundred twenty million, twenty-two thousand, two".