120021021122 has 8 divisors (see below), whose sum is σ = 190621621836. Its totient is φ = 56480480512.

The previous prime is 120021021077. The next prime is 120021021137. The reversal of 120021021122 is 221120120021.

It can be written as a sum of positive squares in 2 ways, for example, as 118548687481 + 1472333641 = 344309^2 + 38371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120021021122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120021021097 and 120021021106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765014983 + ... + 1765015050.

Almost surely, 2^120021021122 is an apocalyptic number.

120021021122 is a deficient number, since it is larger than the sum of its proper divisors (70600600714).

120021021122 is a wasteful number, since it uses less digits than its factorization.

120021021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530030052.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120021021122 its reverse (221120120021), we get a palindrome (341141141143).

The spelling of 120021021122 in words is "one hundred twenty billion, twenty-one million, twenty-one thousand, one hundred twenty-two".