102211020022 has 4 divisors (see below), whose sum is σ = 153316530036. Its totient is φ = 51105510010.

The previous prime is 102211019959. The next prime is 102211020029. The reversal of 102211020022 is 220020112201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×102211020022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102211019984 and 102211020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552755004 + ... + 25552755007.

It is an arithmetic number, because the mean of its divisors is an integer number (38329132509).

Almost surely, 2^102211020022 is an apocalyptic number.

102211020022 is a deficient number, since it is larger than the sum of its proper divisors (51105510014).

102211020022 is an equidigital number, since it uses as much as digits as its factorization.

102211020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105510013.

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

Adding to 102211020022 its reverse (220020112201), we get a palindrome (322231132223).

The spelling of 102211020022 in words is "one hundred two billion, two hundred eleven million, twenty thousand, twenty-two".