202001002122111 has 8 divisors (see below), whose sum is σ = 269342074438320. Its totient is φ = 134663632276992.

The previous prime is 202001002122107. The next prime is 202001002122137. The reversal of 202001002122111 is 111221200100202.

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

It is not a de Polignac number, because 202001002122111 - 2² = 202001002122107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001002122611) 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, 925490466 + ... + 925708703.

It is an arithmetic number, because the mean of its divisors is an integer number (33667759304790).

Almost surely, 2^{202001002122111} is an apocalyptic number.

202001002122111 is a deficient number, since it is larger than the sum of its proper divisors (67341072316209).

202001002122111 is a wasteful number, since it uses less digits than its factorization.

202001002122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851235545.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202001002122111 its reverse (111221200100202), we get a palindrome (313222202222313).

The spelling of 202001002122111 in words is "two hundred two trillion, one billion, two million, one hundred twenty-two thousand, one hundred eleven".