102021011002211 has 4 divisors (see below), whose sum is σ = 116595441145392. Its totient is φ = 87446580859032.

The previous prime is 102021011002199. The next prime is 102021011002301. The reversal of 102021011002211 is 112200110120201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102021011002211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021011302211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7287215071580 + ... + 7287215071593.

It is an arithmetic number, because the mean of its divisors is an integer number (29148860286348).

Almost surely, 2^{102021011002211} is an apocalyptic number.

102021011002211 is a deficient number, since it is larger than the sum of its proper divisors (14574430143181).

102021011002211 is an equidigital number, since it uses as much as digits as its factorization.

102021011002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574430143180.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102021011002211 its reverse (112200110120201), we get a palindrome (214221121122412).

The spelling of 102021011002211 in words is "one hundred two trillion, twenty-one billion, eleven million, two thousand, two hundred eleven".