1102101010021 has 8 divisors (see below), whose sum is σ = 1230252290784. Its totient is φ = 978609775920.

The previous prime is 1102101010019. The next prime is 1102101010039. The reversal of 1102101010021 is 1200101012011.

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 1102101010021 - 2¹ = 1102101010019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102101010091) 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, 1165011166 + ... + 1165012111.

It is an arithmetic number, because the mean of its divisors is an integer number (153781536348).

Almost surely, 2^{1102101010021} is an apocalyptic number.

1102101010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102101010021 is a deficient number, since it is larger than the sum of its proper divisors (128151280763).

1102101010021 is a wasteful number, since it uses less digits than its factorization.

1102101010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330023331.

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

Adding to 1102101010021 its reverse (1200101012011), we get a palindrome (2302202022032).

The spelling of 1102101010021 in words is "one trillion, one hundred two billion, one hundred one million, ten thousand, twenty-one".