1021011101122 has 8 divisors (see below), whose sum is σ = 1531521261900. Its totient is φ = 510504013824.

The previous prime is 1021011101119. The next prime is 1021011101167. The reversal of 1021011101122 is 2211011101201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 685863892561 + 335147208561 = 828169^2 + 578919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1021011101122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445954 + ... + 1496962.

Almost surely, 2^{1021011101122} is an apocalyptic number.

1021011101122 is a deficient number, since it is larger than the sum of its proper divisors (510510160778).

1021011101122 is a wasteful number, since it uses less digits than its factorization.

1021011101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536740.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1021011101122 its reverse (2211011101201), we get a palindrome (3232022202323).

The spelling of 1021011101122 in words is "one trillion, twenty-one billion, eleven million, one hundred one thousand, one hundred twenty-two".