1011022021002 has 64 divisors (see below), whose sum is σ = 2411815256064. Its totient is φ = 276254478720.

The previous prime is 1011022020991. The next prime is 1011022021033. The reversal of 1011022021002 is 2001202201101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5450727 + ... + 5633157.

It is an arithmetic number, because the mean of its divisors is an integer number (37684613376).

Almost surely, 2^{1011022021002} is an apocalyptic number.

1011022021002 is an abundant number, since it is smaller than the sum of its proper divisors (1400793235062).

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

1011022021002 is a wasteful number, since it uses less digits than its factorization.

1011022021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188203.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1011022021002 its reverse (2001202201101), we get a palindrome (3012224222103).

The spelling of 1011022021002 in words is "one trillion, eleven billion, twenty-two million, twenty-one thousand, two".