202101021010 has 32 divisors (see below), whose sum is σ = 416379739392. Its totient is φ = 69186934080.

The previous prime is 202101020987. The next prime is 202101021013. The reversal of 202101021010 is 10120101202.

It is a super-2 number, since 2×202101021010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (202101021013) 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, 2137662 + ... + 2230201.

It is an arithmetic number, because the mean of its divisors is an integer number (13011866856).

Almost surely, 2^202101021010 is an apocalyptic number.

202101021010 is an abundant number, since it is smaller than the sum of its proper divisors (214278718382).

202101021010 is a wasteful number, since it uses less digits than its factorization.

202101021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368538.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202101021010 its reverse (10120101202), we get a palindrome (212221122212).

The spelling of 202101021010 in words is "two hundred two billion, one hundred one million, twenty-one thousand, ten".