202101102002001 has 8 divisors (see below), whose sum is σ = 269593295387040. Its totient is φ = 134671488309152.

The previous prime is 202101102001951. The next prime is 202101102002029. The reversal of 202101102002001 is 100200201101202.

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 202101102002001 - 2¹⁷ = 202101101870929 is a prime.

It is a super-2 number, since 2×202101102002001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202101102002801) 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, 15644915511 + ... + 15644928428.

It is an arithmetic number, because the mean of its divisors is an integer number (33699161923380).

Almost surely, 2^{202101102002001} is an apocalyptic number.

It is an amenable number.

202101102002001 is a deficient number, since it is larger than the sum of its proper divisors (67492193385039).

202101102002001 is a wasteful number, since it uses less digits than its factorization.

202101102002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31289846095.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202101102002001 its reverse (100200201101202), we get a palindrome (302301303103203).

The spelling of 202101102002001 in words is "two hundred two trillion, one hundred one billion, one hundred two million, two thousand, one".