122220021010 has 32 divisors (see below), whose sum is σ = 225181674432. Its totient is φ = 47736346560.

The previous prime is 122220020963. The next prime is 122220021029. The reversal of 122220021010 is 10120022221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1407372 + ... + 1491688.

It is an arithmetic number, because the mean of its divisors is an integer number (7036927326).

Almost surely, 2^122220021010 is an apocalyptic number.

122220021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220021010 is a deficient number, since it is larger than the sum of its proper divisors (102961653422).

122220021010 is a wasteful number, since it uses less digits than its factorization.

122220021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87738.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122220021010 its reverse (10120022221), we get a palindrome (132340043231).

The spelling of 122220021010 in words is "one hundred twenty-two billion, two hundred twenty million, twenty-one thousand, ten".