10211220210100 has 144 divisors (see below), whose sum is σ = 27468016240000. Its totient is φ = 3208432965120.

The previous prime is 10211220210073. The next prime is 10211220210109. The reversal of 10211220210100 is 101202211201.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211220210109) 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, 2771475 + ... + 5301274.

Almost surely, 2^{10211220210100} is an apocalyptic number.

10211220210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211220210100 is an abundant number, since it is smaller than the sum of its proper divisors (17256796029900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211220210100 is a wasteful number, since it uses less digits than its factorization.

10211220210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072922 (or 8072915 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10211220210100 its reverse (101202211201), we get a palindrome (10312422421301).

The spelling of 10211220210100 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, two hundred ten thousand, one hundred".