1021011131001 has 16 divisors (see below), whose sum is σ = 1393102839744. Its totient is φ = 664798923264.

The previous prime is 1021011130939. The next prime is 1021011131017. The reversal of 1021011131001 is 1001311101201.

It is not a de Polignac number, because 1021011131001 - 2¹⁷ = 1021010999929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021011131081) 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, 1673665 + ... + 2200721.

It is an arithmetic number, because the mean of its divisors is an integer number (87068927484).

Almost surely, 2^{1021011131001} is an apocalyptic number.

It is an amenable number.

1021011131001 is a deficient number, since it is larger than the sum of its proper divisors (372091708743).

1021011131001 is a wasteful number, since it uses less digits than its factorization.

1021011131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542120.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1021011131001 its reverse (1001311101201), we get a palindrome (2022322232202).

The spelling of 1021011131001 in words is "one trillion, twenty-one billion, eleven million, one hundred thirty-one thousand, one".