101210221010 has 32 divisors (see below), whose sum is σ = 186452589312. Its totient is φ = 39534647040.

The previous prime is 101210220941. The next prime is 101210221019. The reversal of 101210221010 is 10122012101.

It is a junction number, because it is equal to n+sod(n) for n = 101210220982 and 101210221000.

It is not an unprimeable number, because it can be changed into a prime (101210221019) 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, 2407370 + ... + 2449050.

It is an arithmetic number, because the mean of its divisors is an integer number (5826643416).

Almost surely, 2^101210221010 is an apocalyptic number.

101210221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101210221010 is a deficient number, since it is larger than the sum of its proper divisors (85242368302).

101210221010 is a wasteful number, since it uses less digits than its factorization.

101210221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47378.

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

Adding to 101210221010 its reverse (10122012101), we get a palindrome (111332233111).

The spelling of 101210221010 in words is "one hundred one billion, two hundred ten million, two hundred twenty-one thousand, ten".