1011211231022 has 16 divisors (see below), whose sum is σ = 1599455408400. Its totient is φ = 478152964800.

The previous prime is 1011211230973. The next prime is 1011211231033. The reversal of 1011211231022 is 2201321121101.

It is a happy number.

It is a congruent number.

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, 23362229 + ... + 23405472.

It is an arithmetic number, because the mean of its divisors is an integer number (99965963025).

Almost surely, 2^{1011211231022} is an apocalyptic number.

1011211231022 is a deficient number, since it is larger than the sum of its proper divisors (588244177378).

1011211231022 is a wasteful number, since it uses less digits than its factorization.

1011211231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46768291.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1011211231022 its reverse (2201321121101), we get a palindrome (3212532352123).

The spelling of 1011211231022 in words is "one trillion, eleven billion, two hundred eleven million, two hundred thirty-one thousand, twenty-two".