1011210122212 has 12 divisors (see below), whose sum is σ = 1769628552496. Its totient is φ = 505601964360.

The previous prime is 1011210122189. The next prime is 1011210122213. The reversal of 1011210122212 is 2122210121101.

It is a super-2 number, since 2×1011210122212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011210122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60523 + ... + 1423405.

Almost surely, 2^{1011210122212} is an apocalyptic number.

It is an amenable number.

1011210122212 is a deficient number, since it is larger than the sum of its proper divisors (758418430284).

1011210122212 is a wasteful number, since it uses less digits than its factorization.

1011210122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548378 (or 1548376 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1011210122212 its reverse (2122210121101), we get a palindrome (3133420243313).

The spelling of 1011210122212 in words is "one trillion, eleven billion, two hundred ten million, one hundred twenty-two thousand, two hundred twelve".