1021011021122 has 8 divisors (see below), whose sum is σ = 1531625881872. Its totient is φ = 510469060500.

The previous prime is 1021011021113. The next prime is 1021011021137. The reversal of 1021011021122 is 2211201101201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1021011021097 and 1021011021106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18190004 + ... + 18246047.

It is an arithmetic number, because the mean of its divisors is an integer number (191453235234).

Almost surely, 2^{1021011021122} is an apocalyptic number.

1021011021122 is a deficient number, since it is larger than the sum of its proper divisors (510614860750).

1021011021122 is a wasteful number, since it uses less digits than its factorization.

1021011021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36450064.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021011021122 its reverse (2211201101201), we get a palindrome (3232212122323).

The spelling of 1021011021122 in words is "one trillion, twenty-one billion, eleven million, twenty-one thousand, one hundred twenty-two".