121210022112002 has 24 divisors (see below), whose sum is σ = 193407775453440. Its totient is φ = 56960677789760.

The previous prime is 121210022111953. The next prime is 121210022112119. The reversal of 121210022112002 is 200211220012121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145416074 + ... + 146247237.

It is an arithmetic number, because the mean of its divisors is an integer number (8058657310560).

Almost surely, 2^{121210022112002} is an apocalyptic number.

121210022112002 is a deficient number, since it is larger than the sum of its proper divisors (72197753341438).

121210022112002 is a wasteful number, since it uses less digits than its factorization.

121210022112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291664066 (or 291664049 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121210022112002 its reverse (200211220012121), we get a palindrome (321421242124123).

The spelling of 121210022112002 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty-two million, one hundred twelve thousand, two".