1121010222212 has 6 divisors (see below), whose sum is σ = 1961767888878. Its totient is φ = 560505111104.

The previous prime is 1121010222191. The next prime is 1121010222239. The reversal of 1121010222212 is 2122220101211.

It can be written as a sum of positive squares in only one way, i.e., 943412034436 + 177598187776 = 971294^2 + 421424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140126277773 + ... + 140126277780.

It is an arithmetic number, because the mean of its divisors is an integer number (326961314813).

Almost surely, 2^{1121010222212} is an apocalyptic number.

It is an amenable number.

1121010222212 is a deficient number, since it is larger than the sum of its proper divisors (840757666666).

1121010222212 is a wasteful number, since it uses less digits than its factorization.

1121010222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280252555557 (or 280252555555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121010222212 its reverse (2122220101211), we get a palindrome (3243230323423).

The spelling of 1121010222212 in words is "one trillion, one hundred twenty-one billion, ten million, two hundred twenty-two thousand, two hundred twelve".