20210101102 has 32 divisors (see below), whose sum is σ = 31773682080. Its totient is φ = 9628321920.

The previous prime is 20210101091. The next prime is 20210101141. The reversal of 20210101102 is 20110101202.

It is a super-2 number, since 2×20210101102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5837652 + ... + 5841112.

It is an arithmetic number, because the mean of its divisors is an integer number (992927565).

Almost surely, 2^20210101102 is an apocalyptic number.

20210101102 is a deficient number, since it is larger than the sum of its proper divisors (11563580978).

20210101102 is a wasteful number, since it uses less digits than its factorization.

20210101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20210101102 its reverse (20110101202), we get a palindrome (40320202304).

The spelling of 20210101102 in words is "twenty billion, two hundred ten million, one hundred one thousand, one hundred two".