1021020011101 has 8 divisors (see below), whose sum is σ = 1081518272640. Its totient is φ = 960570445248.

The previous prime is 1021020011069. The next prime is 1021020011113. The reversal of 1021020011101 is 1011100201201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021020011101 - 2⁵ = 1021020011069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021020021101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12130741 + ... + 12214618.

It is an arithmetic number, because the mean of its divisors is an integer number (135189784080).

Almost surely, 2^{1021020011101} is an apocalyptic number.

It is an amenable number.

1021020011101 is a deficient number, since it is larger than the sum of its proper divisors (60498261539).

1021020011101 is a wasteful number, since it uses less digits than its factorization.

1021020011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24347843.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1021020011101 its reverse (1011100201201), we get a palindrome (2032120212302).

The spelling of 1021020011101 in words is "one trillion, twenty-one billion, twenty million, eleven thousand, one hundred one".