1012202021011 has 16 divisors (see below), whose sum is σ = 1064495996928. Its totient is φ = 961442651200.

The previous prime is 1012202020981. The next prime is 1012202021021. The reversal of 1012202021011 is 1101202022101.

It is a cyclic number.

It is not a de Polignac number, because 1012202021011 - 2³¹ = 1010054537363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012202020982 and 1012202021000.

It is not an unprimeable number, because it can be changed into a prime (1012202021021) 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, 1007005 + ... + 1743118.

It is an arithmetic number, because the mean of its divisors is an integer number (66530999808).

Almost surely, 2^{1012202021011} is an apocalyptic number.

1012202021011 is a deficient number, since it is larger than the sum of its proper divisors (52293975917).

1012202021011 is a wasteful number, since it uses less digits than its factorization.

1012202021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750402.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012202021011 its reverse (1101202022101), we get a palindrome (2113404043112).

The spelling of 1012202021011 in words is "one trillion, twelve billion, two hundred two million, twenty-one thousand, eleven".