1020122111012 has 12 divisors (see below), whose sum is σ = 1785249835740. Its totient is φ = 510050729376.

The previous prime is 1020122110937. The next prime is 1020122111023. The reversal of 1020122111012 is 2101112210201.

It can be written as a sum of positive squares in 2 ways, for example, as 158462909476 + 861659201536 = 398074^2 + 928256^2 .

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, 2357087 + ... + 2756102.

It is an arithmetic number, because the mean of its divisors is an integer number (148770819645).

Almost surely, 2^{1020122111012} is an apocalyptic number.

It is an amenable number.

1020122111012 is a deficient number, since it is larger than the sum of its proper divisors (765127724728).

1020122111012 is a wasteful number, since it uses less digits than its factorization.

1020122111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163070 (or 5163068 counting only the distinct ones).

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

Adding to 1020122111012 its reverse (2101112210201), we get a palindrome (3121234321213).

The spelling of 1020122111012 in words is "one trillion, twenty billion, one hundred twenty-two million, one hundred eleven thousand, twelve".