202120110001010 has 32 divisors (see below), whose sum is σ = 365496123260160. Its totient is φ = 80474903525952.

The previous prime is 202120110000971. The next prime is 202120110001057. The reversal of 202120110001010 is 10100011021202.

It is a junction number, because it is equal to n+sod(n) for n = 202120110000982 and 202120110001000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837454 + ... + 20189513.

It is an arithmetic number, because the mean of its divisors is an integer number (11421753851880).

Almost surely, 2^{202120110001010} is an apocalyptic number.

202120110001010 is a deficient number, since it is larger than the sum of its proper divisors (163376013259150).

202120110001010 is a wasteful number, since it uses less digits than its factorization.

202120110001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22031210.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202120110001010 its reverse (10100011021202), we get a palindrome (212220121022212).

The spelling of 202120110001010 in words is "two hundred two trillion, one hundred twenty billion, one hundred ten million, one thousand, ten".