10102022221212 has 384 divisors, whose sum is σ = 28100966584320. Its totient is φ = 3131575603200.

The previous prime is 10102022221133. The next prime is 10102022221219. The reversal of 10102022221212 is 21212222020101.

It is a happy number.

It is a super-2 number, since 2×10102022221212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102022221219) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3751213738 + ... + 3751216430.

It is an arithmetic number, because the mean of its divisors is an integer number (73179600480).

Almost surely, 2^{10102022221212} is an apocalyptic number.

10102022221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10102022221212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14050483292160).

10102022221212 is an abundant number, since it is smaller than the sum of its proper divisors (17998944363108).

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

10102022221212 is a wasteful number, since it uses less digits than its factorization.

10102022221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090 (or 3082 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10102022221212 its reverse (21212222020101), we get a palindrome (31314244241313).

The spelling of 10102022221212 in words is "ten trillion, one hundred two billion, twenty-two million, two hundred twenty-one thousand, two hundred twelve".