120101000021121 has 64 divisors (see below), whose sum is σ = 185984473006080. Its totient is φ = 67522879549440.

The previous prime is 120101000021087. The next prime is 120101000021141. The reversal of 120101000021121 is 121120000101021.

It is not a de Polignac number, because 120101000021121 - 2⁹ = 120101000020609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120101000021097 and 120101000021106.

It is not an unprimeable number, because it can be changed into a prime (120101000021141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 614239045 + ... + 614434541.

It is an arithmetic number, because the mean of its divisors is an integer number (2906007390720).

Almost surely, 2^{120101000021121} is an apocalyptic number.

It is an amenable number.

120101000021121 is a deficient number, since it is larger than the sum of its proper divisors (65883472984959).

120101000021121 is a wasteful number, since it uses less digits than its factorization.

120101000021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197374.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120101000021121 its reverse (121120000101021), we get a palindrome (241221000122142).

The spelling of 120101000021121 in words is "one hundred twenty trillion, one hundred one billion, twenty-one thousand, one hundred twenty-one".