202011210121010 has 16 divisors (see below), whose sum is σ = 367150471212096. Its totient is φ = 80019974494128.

The previous prime is 202011210120947. The next prime is 202011210121027. The reversal of 202011210121010 is 10121012110202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98063693204 + ... + 98063695263.

It is an arithmetic number, because the mean of its divisors is an integer number (22946904450756).

Almost surely, 2^{202011210121010} is an apocalyptic number.

202011210121010 is a deficient number, since it is larger than the sum of its proper divisors (165139261091086).

202011210121010 is a wasteful number, since it uses less digits than its factorization.

202011210121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196127388577.

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

Adding to 202011210121010 its reverse (10121012110202), we get a palindrome (212132222231212).

The spelling of 202011210121010 in words is "two hundred two trillion, eleven billion, two hundred ten million, one hundred twenty-one thousand, ten".