122101021010 has 16 divisors (see below), whose sum is σ = 219786440472. Its totient is φ = 48839385600.

The previous prime is 122101020953. The next prime is 122101021019. The reversal of 122101021010 is 10120101221.

It can be written as a sum of positive squares in 4 ways, for example, as 121287117169 + 813903841 = 348263^2 + 28529^2 .

It is a super-2 number, since 2×122101021010² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122101020982 and 122101021000.

It is not an unprimeable number, because it can be changed into a prime (122101021019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539330 + ... + 731490.

Almost surely, 2^122101021010 is an apocalyptic number.

122101021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122101021010 is a deficient number, since it is larger than the sum of its proper divisors (97685419462).

122101021010 is a wasteful number, since it uses less digits than its factorization.

122101021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255709.

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

Adding to 122101021010 its reverse (10120101221), we get a palindrome (132221122231).

The spelling of 122101021010 in words is "one hundred twenty-two billion, one hundred one million, twenty-one thousand, ten".