1011011212122 has 32 divisors (see below), whose sum is σ = 2078161062912. Its totient is φ = 327716349744.

The previous prime is 1011011212121. The next prime is 1011011212153. The reversal of 1011011212122 is 2212121101101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1011011212121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8572818 + ... + 8689949.

It is an arithmetic number, because the mean of its divisors is an integer number (64942533216).

Almost surely, 2^{1011011212122} is an apocalyptic number.

1011011212122 is an abundant number, since it is smaller than the sum of its proper divisors (1067149850790).

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

1011011212122 is a wasteful number, since it uses less digits than its factorization.

1011011212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17263042.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1011011212122 its reverse (2212121101101), we get a palindrome (3223132313223).

The spelling of 1011011212122 in words is "one trillion, eleven billion, eleven million, two hundred twelve thousand, one hundred twenty-two".