201002021101 has 16 divisors (see below), whose sum is σ = 236372083200. Its totient is φ = 167340601008.

The previous prime is 201002021089. The next prime is 201002021113. The reversal of 201002021101 is 101120200102.

It is an interprime number because it is at equal distance from previous prime (201002021089) and next prime (201002021113).

It is a de Polignac number, because none of the positive numbers 2^k-201002021101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002021131) 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, 1811431 + ... + 1919188.

It is an arithmetic number, because the mean of its divisors is an integer number (14773255200).

Almost surely, 2^201002021101 is an apocalyptic number.

It is an amenable number.

201002021101 is a deficient number, since it is larger than the sum of its proper divisors (35370062099).

201002021101 is a wasteful number, since it uses less digits than its factorization.

201002021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730848.

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

Adding to 201002021101 its reverse (101120200102), we get a palindrome (302122221203).

The spelling of 201002021101 in words is "two hundred one billion, two million, twenty-one thousand, one hundred one".