20020101020101 has 16 divisors (see below), whose sum is σ = 25711434088704. Its totient is φ = 15151380799104.

The previous prime is 20020101020089. The next prime is 20020101020113. The reversal of 20020101020101 is 10102010102002.

It is an interprime number because it is at equal distance from previous prime (20020101020089) and next prime (20020101020113).

It is a cyclic number.

It is not a de Polignac number, because 20020101020101 - 2⁵ = 20020101020069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020111020101) 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, 4782630736 + ... + 4782634921.

It is an arithmetic number, because the mean of its divisors is an integer number (1606964630544).

Almost surely, 2^{20020101020101} is an apocalyptic number.

It is an amenable number.

20020101020101 is a deficient number, since it is larger than the sum of its proper divisors (5691333068603).

20020101020101 is a wasteful number, since it uses less digits than its factorization.

20020101020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565265700.

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

Adding to 20020101020101 its reverse (10102010102002), we get a palindrome (30122111122103).

It can be divided in two parts, 2002010 and 1020101, that added together give a triangular number (3022111 = T₂₄₅₈).

The spelling of 20020101020101 in words is "twenty trillion, twenty billion, one hundred one million, twenty thousand, one hundred one".