121023021032210 has 128 divisors (see below), whose sum is σ = 245884118586624. Its totient is φ = 42501029391360.

The previous prime is 121023021032149. The next prime is 121023021032269. The reversal of 121023021032210 is 12230120320121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 512697932 + ... + 512933928.

It is an arithmetic number, because the mean of its divisors is an integer number (1920969676458).

Almost surely, 2^{121023021032210} is an apocalyptic number.

121023021032210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023021032210 is an abundant number, since it is smaller than the sum of its proper divisors (124861097554414).

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

121023021032210 is a wasteful number, since it uses less digits than its factorization.

121023021032210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236988.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121023021032210 its reverse (12230120320121), we get a palindrome (133253141352331).

The spelling of 121023021032210 in words is "one hundred twenty-one trillion, twenty-three billion, twenty-one million, thirty-two thousand, two hundred ten".