121011021122 has 32 divisors (see below), whose sum is σ = 185503094784. Its totient is φ = 59194800000.

The previous prime is 121011021101. The next prime is 121011021127. The reversal of 121011021122 is 221120110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011021097 and 121011021106.

It is not an unprimeable number, because it can be changed into a prime (121011021127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6429758 + ... + 6448550.

It is an arithmetic number, because the mean of its divisors is an integer number (5796971712).

Almost surely, 2^121011021122 is an apocalyptic number.

121011021122 is a deficient number, since it is larger than the sum of its proper divisors (64492073662).

121011021122 is a wasteful number, since it uses less digits than its factorization.

121011021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19274.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121011021122 its reverse (221120110121), we get a palindrome (342131131243).

The spelling of 121011021122 in words is "one hundred twenty-one billion, eleven million, twenty-one thousand, one hundred twenty-two".