1121210064642 has 16 divisors (see below), whose sum is σ = 2242452287232. Its totient is φ = 373731328560.

The previous prime is 1121210064599. The next prime is 1121210064671. The reversal of 1121210064642 is 2464600121211.

It is a super-2 number, since 2×1121210064642² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874209 + ... + 1733972.

It is an arithmetic number, because the mean of its divisors is an integer number (140153267952).

Almost surely, 2^{1121210064642} is an apocalyptic number.

1121210064642 is an abundant number, since it is smaller than the sum of its proper divisors (1121242222590).

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

1121210064642 is a wasteful number, since it uses less digits than its factorization.

1121210064642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679833.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 1121210064642 its reverse (2464600121211), we get a palindrome (3585810185853).

The spelling of 1121210064642 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, sixty-four thousand, six hundred forty-two".