211102002201021 has 8 divisors (see below), whose sum is σ = 281469406942464. Its totient is φ = 140734632796800.

The previous prime is 211102002201019. The next prime is 211102002201023. The reversal of 211102002201021 is 120102200201112.

It is an interprime number because it is at equal distance from previous prime (211102002201019) and next prime (211102002201023).

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

It is not a de Polignac number, because 211102002201021 - 2¹ = 211102002201019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102002201023) 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, 12387796 + ... + 23992946.

It is an arithmetic number, because the mean of its divisors is an integer number (35183675867808).

Almost surely, 2^{211102002201021} is an apocalyptic number.

It is an amenable number.

211102002201021 is a deficient number, since it is larger than the sum of its proper divisors (70367404741443).

211102002201021 is a wasteful number, since it uses less digits than its factorization.

211102002201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17668611.

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

Adding to 211102002201021 its reverse (120102200201112), we get a palindrome (331204202402133).

The spelling of 211102002201021 in words is "two hundred eleven trillion, one hundred two billion, two million, two hundred one thousand, twenty-one".