2110211010021 has 16 divisors (see below), whose sum is σ = 3005485340544. Its totient is φ = 1312336671744.

The previous prime is 2110211009989. The next prime is 2110211010023. The reversal of 2110211010021 is 1200101120112.

It is not a de Polignac number, because 2110211010021 - 2⁵ = 2110211009989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110211009979 and 2110211010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110211010023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183076921 + ... + 183088446.

It is an arithmetic number, because the mean of its divisors is an integer number (187842833784).

Almost surely, 2^{2110211010021} is an apocalyptic number.

It is an amenable number.

2110211010021 is a deficient number, since it is larger than the sum of its proper divisors (895274330523).

2110211010021 is a wasteful number, since it uses less digits than its factorization.

2110211010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366165500.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2110211010021 its reverse (1200101120112), we get a palindrome (3310312130133).

The spelling of 2110211010021 in words is "two trillion, one hundred ten billion, two hundred eleven million, ten thousand, twenty-one".