2101020122 has 8 divisors (see below), whose sum is σ = 3170865216. Its totient is φ = 1044065052.

The previous prime is 2101020049. The next prime is 2101020137. The reversal of 2101020122 is 2210201012.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3222098 + ... + 3222749.

It is an arithmetic number, because the mean of its divisors is an integer number (396358152).

Almost surely, 2^2101020122 is an apocalyptic number.

2101020122 is a deficient number, since it is larger than the sum of its proper divisors (1069845094).

2101020122 is a wasteful number, since it uses less digits than its factorization.

2101020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445012.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2101020122 is about 45836.8860417023. The cubic root of 2101020122 is about 1280.7864880838.

Adding to 2101020122 its reverse (2210201012), we get a palindrome (4311221134).

The spelling of 2101020122 in words is "two billion, one hundred one million, twenty thousand, one hundred twenty-two".