2100222185061 has 48 divisors (see below), whose sum is σ = 3788322000512. Its totient is φ = 1007099533440.

The previous prime is 2100222185051. The next prime is 2100222185101. The reversal of 2100222185061 is 1605812220012.

It is not a de Polignac number, because 2100222185061 - 2²³ = 2100213796453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100222185051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31756726 + ... + 31822791.

Almost surely, 2^{2100222185061} is an apocalyptic number.

2100222185061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2100222185061 is a deficient number, since it is larger than the sum of its proper divisors (1688099815451).

2100222185061 is a wasteful number, since it uses less digits than its factorization.

2100222185061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63579562 (or 63579551 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The spelling of 2100222185061 in words is "two trillion, one hundred billion, two hundred twenty-two million, one hundred eighty-five thousand, sixty-one".